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Conference Paper

Determination of thermodynamics in a CO2 injection well using pressure and distributed temperature sensing

Authors
/persons/resource/wiese

Wiese,  Bernd
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Nimtz,  M.
External Organizations;

/persons/resource/fmoeller

Möller,  Fabian
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/otto

Otto,  Christopher
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/mkuehn

Kühn,  Michael
5.3 Hydrogeology, 5.0 Earth Surface Processes, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/alieb

Liebscher,  Axel
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/conny

Schmidt-Hattenberger,  Cornelia
CGS Centre for Geological Storage, Geoengineering Centres, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Citation

Wiese, B., Nimtz, M., Möller, F., Otto, C., Kühn, M., Liebscher, A., Schmidt-Hattenberger, C. (2012): Determination of thermodynamics in a CO2 injection well using pressure and distributed temperature sensing, (IAHS publication; 355), ModelCare 2011 - Models - Repositories of Knowledge (Leipzig 2011) (Wallingford).


https://gfzpublic.gfz-potsdam.de/pubman/item/item_246583
Abstract
The injection of CO2 into the subsurface at the Ketzin pilot site, Brandenburg (Germany), is monitored simultaneously by distributed temperature sensing (DTS) and two pressure sensors located at the wellhead and at 550 m depth. The data is used to recalculate a continuous pressure profile along the entire length of the injection well. The data allow calculation of the thermodynamic properties of the CO2 inside the injection well, as well as potential phase transitions during the injection process. Due to compression a heat flux establishes between the injection well and the subsurface that can be quantified based on the thermodynamic state.